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Cai P, Li W, Xu Y, Wang H. Drp1 and neuroinflammation: Deciphering the interplay between mitochondrial dynamics imbalance and inflammation in neurodegenerative diseases. Neurobiol Dis 2024; 198:106561. [PMID: 38857809 DOI: 10.1016/j.nbd.2024.106561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 05/24/2024] [Accepted: 06/07/2024] [Indexed: 06/12/2024] Open
Abstract
Neuroinflammation and mitochondrial dysfunction are closely intertwined with the pathophysiology of neurological disorders. Recent studies have elucidated profound alterations in mitochondrial dynamics across a spectrum of neurological disorders. Dynamin-related protein 1 (DRP1) emerges as a pivotal regulator of mitochondrial fission, with its dysregulation disrupting mitochondrial homeostasis and fueling neuroinflammation, thereby exacerbating disease severity. In addition to its role in mitochondrial dynamics, DRP1 plays a crucial role in modulating inflammation-related pathways. This review synthesizes important functions of DRP1 in the central nervous system (CNS) and the impact of epigenetic modification on the progression of neurodegenerative diseases. The intricate interplay between neuroinflammation and DRP1 in microglia and astrocytes, central contributors to neuroinflammation, is expounded upon. Furthermore, the use of DRP1 inhibitors to influence the activation of microglia and astrocytes, as well as their involvement in processes such as mitophagy, mitochondrial oxidative stress, and calcium ion transport in CNS-mediated neuroinflammation, is scrutinized. The modulation of microglia to astrocyte crosstalk by DRP1 and its role in inflammatory neurodegeneration is also highlighted. Overall, targeting DRP1 presents a promising avenue for ameliorating neuroinflammation and enhancing the therapeutic management of neurological disorders.
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Affiliation(s)
- Peiyang Cai
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of Immunology, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China
| | - Wuhao Li
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of Immunology, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China
| | - Ye Xu
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of Immunology, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China
| | - Hui Wang
- Jiangsu Key Laboratory of Medical Science and Laboratory Medicine, Department of Immunology, School of Medicine, Jiangsu University, Zhenjiang 212013, Jiangsu, PR China..
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2
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Ding JQ, Zhang JQ, Zhao SJ, Jiang DB, Lu JR, Yang SY, Wang J, Sun YJ, Huang YN, Hu CC, Zhang XY, Zhang JX, Liu TY, Han CY, Qiao XP, Guo J, Zhao C, Yang K. Follicular CD8 + T cells promote immunoglobulin production and demyelination in multiple sclerosis and a murine model. Biochim Biophys Acta Mol Basis Dis 2024; 1870:167303. [PMID: 38878831 DOI: 10.1016/j.bbadis.2024.167303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 06/18/2024]
Abstract
Emerging evidence underscores the importance of CD8+ T cells in the pathogenesis of multiple sclerosis (MS), but the precise mechanisms remain ambiguous. This study intends to elucidate the involvement of a novel subset of follicular CD8+ T cells (CD8+CXCR5+ T) in MS and an experimental autoimmune encephalomyelitis (EAE) murine model. The expansion of CD8+CXCR5+ T cells was observed in both MS patients and EAE mice during the acute phase. In relapsing MS patients, higher frequencies of circulating CD8+CXCR5+ T cells were positively correlated with new gadolinium-enhancement lesions in the central nervous system (CNS). In EAE mice, frequencies of CD8+CXCR5+ T cells were also positively correlated with clinical scores. These cells were found to infiltrate into ectopic lymphoid-like structures in the spinal cords during the peak of the disease. Furthermore, CD8+CXCR5+ T cells, exhibiting high expression levels of ICOS, CD40L, IL-21, and IL-6, were shown to facilitate B cell activation and differentiation through a synergistic interaction between CD40L and IL-21. Transferring CD8+CXCR5+ T cells into naïve mice confirmed their ability to enhance the production of anti-MOG35-55 antibodies and contribute to the disease progression. Consequently, CD8+CXCR5+ T cells may play a role in CNS demyelination through heightening humoral immune responses.
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Affiliation(s)
- Jia-Qi Ding
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China; Department of Neurology, Tangdu Hospital, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Jun-Qi Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Si-Jia Zhao
- Department of Neurology, Tangdu Hospital, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Dong-Bo Jiang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Jia-Rui Lu
- Department of Neurology, Tangdu Hospital, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Shu-Ya Yang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Jing Wang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Yuan-Jie Sun
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Yi-Nan Huang
- Department of Emergency, the Second Affiliated Hospital (Xixian New District Central Hospital), Shaanxi University of Chinese Medicine, Shaanxi, China
| | - Chen-Chen Hu
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Xi-Yang Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Jia-Xing Zhang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Tian-Yue Liu
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Chen-Ying Han
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Xu-Peng Qiao
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China
| | - Jun Guo
- Department of Neurology, Tangdu Hospital, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China.
| | - Cong Zhao
- Department of Neurology, Air Force Medical Center of PLA, Beijing, China.
| | - Kun Yang
- Department of Immunology, Basic Medicine School, Air Force Medical University (the Fourth Military Medical University), Shaanxi, China.
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3
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Bahiraii S, Braunböck-Müller B, Heiss EH. Increased Glycolytic Activity Is Part of Impeded M1(LPS) Macrophage Polarization in the Presence of Urolithin A. PLANTA MEDICA 2024; 90:546-553. [PMID: 38843794 PMCID: PMC11156499 DOI: 10.1055/a-2240-7462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/09/2023] [Indexed: 06/10/2024]
Abstract
Urolithin A is a gut metabolite of ellagitannins and reported to confer health benefits, e.g., by increased clearance of damaged mitochondria by macroautophagy or curbed inflammation. One targeted cell type are macrophages, which are plastic and able to adopt pro- or anti-inflammatory polarization states, usually assigned as M1 and M2 macrophages, respectively. This flexibility is tightly coupled to characteristic shifts in metabolism, such as increased glycolysis in M1 macrophages, and protein expression upon appropriate stimulation. This study aimed at investigating whether the anti-inflammatory properties of U: rolithin A may be driven by metabolic alterations in cultivated murine M1(lipopolysaccharide) macrophages. Expression and extracellular flux analyses showed that urolithin A led to reduced il1β, il6, and nos2 expression and boosted glycolytic activity in M1(lipopolysaccharide) macrophages. The pro-glycolytic feature of UROLITHIN A: occurred in order to causally contribute to its anti-inflammatory potential, based on experiments in cells with impeded glycolysis. Mdivi, an inhibitor of mitochondrial fission, blunted increased glycolytic activity and reduced M1 marker expression in M1(lipopolysaccharide/UROLITHIN A: ), indicating that segregation of mitochondria was a prerequisite for both actions of UROLITHIN A: . Overall, we uncovered a so far unappreciated metabolic facet within the anti-inflammatory activity of UROLITHIN A: and call for caution about the simplified notion of increased aerobic glycolysis as an inevitably proinflammatory feature in macrophages upon exposure to natural products.
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Affiliation(s)
- Sheyda Bahiraii
- Department of Pharmaceutical Sciences/Pharmacognosy, University of Vienna, Vienna, Austria
- Vienna Doctoral School of Pharmaceutical, Nutritional and Sport Sciences, University of Vienna, Vienna, Austria
| | | | - Elke H. Heiss
- Department of Pharmaceutical Sciences/Pharmacognosy, University of Vienna, Vienna, Austria
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Sun F, Fang M, Zhang H, Song Q, Li S, Li Y, Jiang S, Yang L. Drp1: Focus on Diseases Triggered by the Mitochondrial Pathway. Cell Biochem Biophys 2024:10.1007/s12013-024-01245-5. [PMID: 38438751 DOI: 10.1007/s12013-024-01245-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 03/06/2024]
Abstract
Drp1 (Dynamin-Related Protein 1) is a cytoplasmic GTPase protein encoded by the DNM1L gene that influences mitochondrial dynamics by mediating mitochondrial fission processes. Drp1 has been demonstrated to play an important role in a variety of life activities such as cell survival, proliferation, migration, and death. Drp1 has been shown to play different physiological roles under different physiological conditions, such as normal and inflammation. Recently studies have revealed that Drp1 plays a critical role in the occurrence, development, and aggravation of a series of diseases, thereby it serves as a potential therapeutic target for them. In this paper, we review the structure and biological properties of Drp1, summarize the biological processes that occur in the inflammatory response to Drp1, discuss its role in various cancers triggered by the mitochondrial pathway and investigate effective methods for targeting Drp1 in cancer treatment. We also synthesized the phenomena of Drp1 involving in the triggering of other diseases. The results discussed herein contribute to our deeper understanding of mitochondrial kinetic pathway-induced diseases and their therapeutic applications. It is critical for advancing the understanding of the mechanisms of Drp1-induced mitochondrial diseases and preventive therapies.
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Affiliation(s)
- Fulin Sun
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
- Health Science Center, Qingdao University, Qingdao, China
| | - Min Fang
- Department of Gynaecology, Qingdao Women and Children's Hospital, Qingdao, 266021, Shandong, China
| | - Huhu Zhang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Qinghang Song
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
- Health Science Center, Qingdao University, Qingdao, China
| | - Shuang Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Ya Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Shuyao Jiang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
- Health Science Center, Qingdao University, Qingdao, China
| | - Lina Yang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China.
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Liu C, Guo S, Liu R, Guo M, Wang Q, Chai Z, Xiao B, Ma C. Fasudil-modified macrophages reduce inflammation and regulate the immune response in experimental autoimmune encephalomyelitis. Neural Regen Res 2024; 19:671-679. [PMID: 37721300 PMCID: PMC10581551 DOI: 10.4103/1673-5374.379050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/10/2023] [Accepted: 05/22/2023] [Indexed: 09/19/2023] Open
Abstract
Multiple sclerosis is characterized by demyelination and neuronal loss caused by inflammatory cell activation and infiltration into the central nervous system. Macrophage polarization plays an important role in the pathogenesis of experimental autoimmune encephalomyelitis, a traditional experimental model of multiple sclerosis. This study investigated the effect of Fasudil on macrophages and examined the therapeutic potential of Fasudil-modified macrophages in experimental autoimmune encephalomyelitis. We found that Fasudil induced the conversion of macrophages from the pro-inflammatory M1 type to the anti-inflammatory M2 type, as shown by reduced expression of inducible nitric oxide synthase/nitric oxide, interleukin-12, and CD16/32 and increased expression of arginase-1, interleukin-10, CD14, and CD206, which was linked to inhibition of Rho kinase activity, decreased expression of toll-like receptors, nuclear factor-κB, and components of the mitogen-activated protein kinase signaling pathway, and generation of the pro-inflammatory cytokines tumor necrosis factor-α, interleukin-1β, and interleukin-6. Crucially, Fasudil-modified macrophages effectively decreased the impact of experimental autoimmune encephalomyelitis, resulting in later onset of disease, lower symptom scores, less weight loss, and reduced demyelination compared with unmodified macrophages. In addition, Fasudil-modified macrophages decreased interleukin-17 expression on CD4+ T cells and CD16/32, inducible nitric oxide synthase, and interleukin-12 expression on F4/80+ macrophages, as well as increasing interleukin-10 expression on CD4+ T cells and arginase-1, CD206, and interleukin-10 expression on F4/80+ macrophages, which improved immune regulation and reduced inflammation. These findings suggest that Fasudil-modified macrophages may help treat experimental autoimmune encephalomyelitis by inducing M2 macrophage polarization and inhibiting the inflammatory response, thereby providing new insight into cell immunotherapy for multiple sclerosis.
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Affiliation(s)
- Chunyun Liu
- Institute of Brain Science, Shanxi Datong University, Datong, Shanxi Province, China
| | - Shangde Guo
- Institute of Brain Science, Shanxi Datong University, Datong, Shanxi Province, China
| | - Rong Liu
- Institute of Brain Science, Shanxi Datong University, Datong, Shanxi Province, China
| | - Minfang Guo
- Institute of Brain Science, Shanxi Datong University, Datong, Shanxi Province, China
| | - Qing Wang
- The Key Research Laboratory of Benefiting Qi for Acting Blood Circulation Method to Treat Multiple Sclerosis of State Administration of Traditional Chinese Medicine/Research Center of Neurobiology, Shanxi University of Chinese Medicine, Taiyuan, Shanxi Province, China
| | - Zhi Chai
- The Key Research Laboratory of Benefiting Qi for Acting Blood Circulation Method to Treat Multiple Sclerosis of State Administration of Traditional Chinese Medicine/Research Center of Neurobiology, Shanxi University of Chinese Medicine, Taiyuan, Shanxi Province, China
| | - Baoguo Xiao
- Institute of Neurology, Huashan Hospital, Institutes of Brain Science and State Key Laboratory of Medical Neurobiology, Fudan University, Shanghai, China
| | - Cungen Ma
- Institute of Brain Science, Shanxi Datong University, Datong, Shanxi Province, China
- The Key Research Laboratory of Benefiting Qi for Acting Blood Circulation Method to Treat Multiple Sclerosis of State Administration of Traditional Chinese Medicine/Research Center of Neurobiology, Shanxi University of Chinese Medicine, Taiyuan, Shanxi Province, China
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Li W, Wu M, Li Y, Shen J. Reactive nitrogen species as therapeutic targets for autophagy/mitophagy modulation to relieve neurodegeneration in multiple sclerosis: Potential application for drug discovery. Free Radic Biol Med 2023; 208:37-51. [PMID: 37532065 DOI: 10.1016/j.freeradbiomed.2023.07.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/04/2023]
Abstract
Multiple sclerosis (MS) is a neuroinflammatory disease with limited therapeutic effects, eventually developing into handicap. Seeking novel therapeutic strategies for MS is timely important. Active autophagy/mitophagy could mediate neurodegeneration, while its roles in MS remain controversial. To elucidate the exact roles of autophagy/mitophagy and reveal its in-depth regulatory mechanisms, we conduct a systematic literature study and analyze the factors that might be responsible for divergent results obtained. The dynamic change levels of autophagy/mitophagy appear to be a determining factor for final neuron fate during MS pathology. Excessive neuronal autophagy/mitophagy contributes to neurodegeneration after disease onset at the active MS phase. Reactive nitrogen species (RNS) serve as key regulators for redox-related modifications and participate in autophagy/mitophagy modulation in MS. Nitric oxide (•NO) and peroxynitrite (ONOO-), two representative RNS, could nitrate or nitrosate Drp1/parkin/PINK1 pathway, activating excessive mitophagy and aggravating neuronal injury. Targeting RNS-mediated excessive autophagy/mitophagy could be a promising strategy for developing novel anti-MS drugs. In this review, we highlight the important roles of RNS-mediated autophagy/mitophagy in neuronal injury and review the potential therapeutic compounds with the bioactivities of inhibiting RNS-mediated autophagy/mitophagy activation and attenuating MS progression. Overall, we conclude that reactive nitrogen species could be promising therapeutic targets to regulate autophagy/mitophagy for multiple sclerosis treatment.
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Affiliation(s)
- Wenting Li
- Department of Pharmacy, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China.
| | - Meiling Wu
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.
| | - Yuzhen Li
- Department of Pharmacy, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, China.
| | - Jiangang Shen
- School of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.
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7
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Wu CC, Tzeng CY, Chang CY, Wang JD, Chen YF, Chen WY, Kuan YH, Liao SL, Wang WY, Chen CJ. NMDA receptor inhibitor MK801 alleviated pro-inflammatory polarization of BV-2 microglia cells. Eur J Pharmacol 2023; 955:175927. [PMID: 37479018 DOI: 10.1016/j.ejphar.2023.175927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/26/2023] [Accepted: 07/18/2023] [Indexed: 07/23/2023]
Abstract
Microglia have both protective and pathogenic properties, while polarization plays a decisive role in their functional diversity. Apart from being an energetic organelle, mitochondria possess biological capabilities of signaling and immunity involving mitochondrial dynamics. The N-methyl-D-aspartate (NMDA)-type glutamate receptor displays excitatory neurotransmission, excitatory neurotoxicity and pro-inflammatory properties in a membrane location- and cell context-dependent manner. In this study, we have provided experimental evidence showing that by acting on mitochondrial dynamics, NMDA receptors displayed pro-inflammatory properties, while its non-competitive inhibitor MK801 exhibited anti-inflammatory potential in Lipopolysaccharide (LPS)-challenged BV-2 microglia cells. LPS stimulation increased the protein phosphorylation of cells regarding their NMDA receptor component subunits and Calcium/Calmodulin-dependent Protein Kinase II (CaMKII), along with mobilizing intracellular calcium. Additionally, parallel changes occurred in the activation of Transforming Growth Factor-β (TGF-β)-Activated Kinase 1 (TAK1), NF-κB p65 and NF-κB DNA binding activity, acquisition of pro-inflammatory M1 polarization and expression of pro-inflammatory cytokines. LPS-treated cells further displayed signs of mitochondrial dysfunction with higher expressions of the active form of Dynamin-Related Protein 1 (Drp1), NADPH Oxidase-2 (NOX2) expression and the generation of DCFDA-/MitoSOX-sensitive Reactive Oxygen Species (ROS). NMDA receptor blockade by MK801, along with CaMKII inhibitor KN93, Drp1 inhibitor Mdivi-1 and antioxidant apocynin alleviated LPS-induced pro-inflammatory changes. Other than the reported CaMKII/TAK1/NF-κB axis, our in vitro study revealed the CaMKII/Drp1/ROS/NF-κB axis being an alternative cascade for shaping pro-inflammatory phenotypes of microglia upon LPS stimulation, and MK801 having the potential for inhibiting microglia activation and any associated inflammatory damages.
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Affiliation(s)
- Chih-Cheng Wu
- Department of Anesthesiology, Taichung Veterans General Hospital, Taichung City, 407, Taiwan; Department of Financial Engineering, Providence University, Taichung City, 433, Taiwan; Department of Data Science and Big Data Analytics, Providence University, Taichung City, 433, Taiwan
| | - Chung-Yuh Tzeng
- Department of Orthopedics, Taichung Veterans General Hospital, Taichung City, 407, Taiwan; Department of Medicinal Botanicals and Health Applications, Da-Yeh University, Changhua, 515, Taiwan
| | - Cheng-Yi Chang
- Department of Surgery, Feng Yuan Hospital, Taichung City, 420, Taiwan; Department of Veterinary Medicine, National Chung Hsing University, Taichung City, 402, Taiwan
| | - Jiaan-Der Wang
- Children's Medical Center, Taichung Veterans General Hospital, Taichung City, 407, Taiwan; Department of Industrial Engineering and Enterprise Information, Tunghai University, Taichung City, 407, Taiwan
| | - Yu-Fang Chen
- Department of Microbiology & Immunology, National Cheng Kung University, Tainan City, 701, Taiwan
| | - Wen-Ying Chen
- Department of Veterinary Medicine, National Chung Hsing University, Taichung City, 402, Taiwan
| | - Yu-Hsiang Kuan
- Department of Pharmacology, Chung Shan Medical University, Taichung City, 402, Taiwan
| | - Su-Lan Liao
- Department of Medical Research, Taichung Veterans General Hospital, Taichung City, 407, Taiwan
| | - Wen-Yi Wang
- Department of Nursing, HungKuang University, Taichung City, 433, Taiwan
| | - Chun-Jung Chen
- Department of Medical Research, Taichung Veterans General Hospital, Taichung City, 407, Taiwan; Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung City, 404, Taiwan.
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Huan Y, Hao G, Shi Z, Liang Y, Dong Y, Quan H. The role of dynamin-related protein 1 in cerebral ischemia/hypoxia injury. Biomed Pharmacother 2023; 165:115247. [PMID: 37516018 DOI: 10.1016/j.biopha.2023.115247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/18/2023] [Accepted: 07/25/2023] [Indexed: 07/31/2023] Open
Abstract
Mitochondrial dysfunction, especially in terms of mitochondrial dynamics, has been reported to be closely associated with neuronal outcomes and neurological impairment in cerebral ischemia/hypoxia injury. Dynamin-related protein 1 (Drp1) is a cytoplasmic GTPase that mediates mitochondrial fission and participates in neuronal cell death, calcium signaling, and oxidative stress. The neuroprotective role of Drp1 inhibition has been confirmed in several central nervous system disease models, demonstrating that targeting Drp1 may shed light on novel approaches for the treatment of cerebral ischemia/hypoxia injury. In this review, we aimed to highlight the roles of Drp1 in programmed cell death, oxidative stress, mitophagy, and mitochondrial function to provide a better understanding of mitochondrial disturbances in cerebral ischemia/hypoxia injury, and we also summarize the advances in novel chemical compounds targeting Drp1 to provide new insights into potential therapies for cerebral ischemia/hypoxia injury.
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Affiliation(s)
- Yu Huan
- Department of Neurosurgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Guangzhi Hao
- Department of Neurosurgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Zuolin Shi
- Department of Neurosurgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Yong Liang
- Department of Neurosurgery, General Hospital of Northern Theater Command, Shenyang, China
| | - Yushu Dong
- Department of Neurosurgery, General Hospital of Northern Theater Command, Shenyang, China.
| | - Huilin Quan
- Department of Plastic Surgery, The First Hospital of China Medical University, Shenyang, China.
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9
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Hao Y, Zhao L, Zhao JY, Han X, Zhou X. Unveiling the potential of mitochondrial dynamics as a therapeutic strategy for acute kidney injury. Front Cell Dev Biol 2023; 11:1244313. [PMID: 37635869 PMCID: PMC10456901 DOI: 10.3389/fcell.2023.1244313] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 07/31/2023] [Indexed: 08/29/2023] Open
Abstract
Acute Kidney Injury (AKI), a critical clinical syndrome, has been strongly linked to mitochondrial malfunction. Mitochondria, vital cellular organelles, play a key role in regulating cellular energy metabolism and ensuring cell survival. Impaired mitochondrial function in AKI leads to decreased energy generation, elevated oxidative stress, and the initiation of inflammatory cascades, resulting in renal tissue damage and functional impairment. Therefore, mitochondria have gained significant research attention as a potential therapeutic target for AKI. Mitochondrial dynamics, which encompass the adaptive shifts of mitochondria within cellular environments, exert significant influence on mitochondrial function. Modulating these dynamics, such as promoting mitochondrial fusion and inhibiting mitochondrial division, offers opportunities to mitigate renal injury in AKI. Consequently, elucidating the mechanisms underlying mitochondrial dynamics has gained considerable importance, providing valuable insights into mitochondrial regulation and facilitating the development of innovative therapeutic approaches for AKI. This comprehensive review aims to highlight the latest advancements in mitochondrial dynamics research, provide an exhaustive analysis of existing studies investigating the relationship between mitochondrial dynamics and acute injury, and shed light on their implications for AKI. The ultimate goal is to advance the development of more effective therapeutic interventions for managing AKI.
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Affiliation(s)
- Yajie Hao
- The Fifth Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Limei Zhao
- The Fifth Clinical Medical College of Shanxi Medical University, Taiyuan, China
| | - Jing Yu Zhao
- The Third Clinical College, Shanxi University of Chinese Medicine, Jinzhong, Shanxi, China
| | - Xiutao Han
- The Third Clinical College, Shanxi University of Chinese Medicine, Jinzhong, Shanxi, China
| | - Xiaoshuang Zhou
- Department of Nephrology, Shanxi Provincial People’s Hospital, The Fifth Clinical Medical College of Shanxi Medical University, Shanxi Kidney Disease Institute, Taiyuan, China
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10
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Wang Q, Qiu H. Deubiquitinase USP16 induces gouty arthritis via Drp1-dependent mitochondrial fission and NLRP3 inflammasome activation. Arthritis Res Ther 2023; 25:126. [PMID: 37488647 PMCID: PMC10367261 DOI: 10.1186/s13075-023-03095-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/21/2023] [Indexed: 07/26/2023] Open
Abstract
BACKGROUND Gouty arthritis is the most frequently diagnosed inflammatory arthritis worldwide. Dynamin-related protein 1 (Drp1), a regulator of mitochondrial fission, contributes to various inflammatory disorders via activating NLRP3 inflammasome. However, the biological role of Drp1 in gouty arthritis remains undefined. METHODS A mouse model of monosodium urate (MSU)-induced gouty arthritis and MSU-stimulated macrophages were established as in vivo and in vitro models, respectively. Histological changes were assessed by H&E and IHC analysis. RT-qPCR and western blot were used to detect the expression of Drp1 and the key molecules in joint tissues and macrophages. Cytokine secretion was measured by ELISA assay, and antioxidant enzymes activities and LDH release were monitored using commercial kits. Mitochondrial structure and functions were assessed by transmission electron microscopy (TEM) and MitoSOX staining. Co-IP and GST pull-down assay were used to detect the direct interaction between USP16 and Drp1, as well as the ubiquitination of Drp1. RESULTS Drp1 was elevated in MSU-induced gouty arthritis model, and it induced gouty arthritis via NF-κB pathway and NLRP3 inflammasome activation. In addition, Drp1 activated NF-κB/NLRP3 signaling via modulating mitochondrial fission. Mechanistically, USP16 mediated deubiquitination and stabilization of Drp1 through its direct interaction with Drp1. Functional studies further showed that USP16 was highly expressed in MSU-stimulated macrophages and induced gouty arthritis via Drp1-dependent NLRP3 inflammasome activation. CONCLUSION Deubiquitinase USP16 induced gouty arthritis via Drp1-dependent mitochondrial fission and NF-κB/NLRP3 signaling.
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Affiliation(s)
- Qingdong Wang
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, School of Basic Medicine, Jiamusi University, Heilongjiang Province, Jiamusi, 154000, People's Republic of China
| | - Hongbin Qiu
- Key Laboratory of Microecology-Immune Regulatory Network and Related Diseases, School of Basic Medicine, Jiamusi University, Heilongjiang Province, Jiamusi, 154000, People's Republic of China.
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11
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Peng Y, Zhou M, Yang H, Qu R, Qiu Y, Hao J, Bi H, Guo D. Regulatory Mechanism of M1/M2 Macrophage Polarization in the Development of Autoimmune Diseases. Mediators Inflamm 2023; 2023:8821610. [PMID: 37332618 PMCID: PMC10270764 DOI: 10.1155/2023/8821610] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 04/21/2023] [Accepted: 05/23/2023] [Indexed: 06/20/2023] Open
Abstract
Macrophages are innate immune cells in the organism and can be found in almost tissues and organs. They are highly plastic and heterogeneous cells and can participate in the immune response, thereby playing a crucial role in maintaining the immune homeostasis of the body. It is well known that undifferentiated macrophages can polarize into classically activated macrophages (M1 macrophages) and alternatively activated macrophages (M2 macrophages) under different microenvironmental conditions. The directions of macrophage polarization can be regulated by a series of factors, including interferon, lipopolysaccharide, interleukin, and noncoding RNAs. To elucidate the role of macrophages in various autoimmune diseases, we searched the literature on macrophages with the PubMed database. Search terms are as follows: macrophages, polarization, signaling pathways, noncoding RNA, inflammation, autoimmune diseases, systemic lupus erythematosus, rheumatoid arthritis, lupus nephritis, Sjogren's syndrome, Guillain-Barré syndrome, and multiple sclerosis. In the present study, we summarize the role of macrophage polarization in common autoimmune diseases. In addition, we also summarize the features and recent advances with a particular focus on the immunotherapeutic potential of macrophage polarization in autoimmune diseases and the potentially effective therapeutic targets.
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Affiliation(s)
- Yuan Peng
- Shandong University of Traditional Chinese Medicine, Jinan 250002, China
| | - Mengxian Zhou
- Shandong University of Traditional Chinese Medicine, Jinan 250002, China
| | - Hong Yang
- Qingdao Traditional Chinese Medicine Hospital (Qingdao Hiser Hospital), Qingdao 266033, China
| | - Ruyi Qu
- Shandong University of Traditional Chinese Medicine, Jinan 250002, China
| | - Yan Qiu
- The Second Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250002, China
| | - Jiawen Hao
- Shandong University of Traditional Chinese Medicine, Jinan 250002, China
| | - Hongsheng Bi
- Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases; Shandong Academy of Eye Disease Prevention and Therapy, Medical College of Optometry and Ophthalmology, Shandong University of Traditional Chinese Medicine, Jinan 250002, China
| | - Dadong Guo
- Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases; Shandong Academy of Eye Disease Prevention and Therapy, Medical College of Optometry and Ophthalmology, Shandong University of Traditional Chinese Medicine, Jinan 250002, China
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Yu T, Wang L, Zhang L, Deuster PA. Mitochondrial Fission as a Therapeutic Target for Metabolic Diseases: Insights into Antioxidant Strategies. Antioxidants (Basel) 2023; 12:1163. [PMID: 37371893 DOI: 10.3390/antiox12061163] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Mitochondrial fission is a crucial process in maintaining metabolic homeostasis in normal physiology and under conditions of stress. Its dysregulation has been associated with several metabolic diseases, including, but not limited to, obesity, type 2 diabetes (T2DM), and cardiovascular diseases. Reactive oxygen species (ROS) serve a vital role in the genesis of these conditions, and mitochondria are both the main sites of ROS production and the primary targets of ROS. In this review, we explore the physiological and pathological roles of mitochondrial fission, its regulation by dynamin-related protein 1 (Drp1), and the interplay between ROS and mitochondria in health and metabolic diseases. We also discuss the potential therapeutic strategies of targeting mitochondrial fission through antioxidant treatments for ROS-induced conditions, including the effects of lifestyle interventions, dietary supplements, and chemicals, such as mitochondrial division inhibitor-1 (Mdivi-1) and other mitochondrial fission inhibitors, as well as certain commonly used drugs for metabolic diseases. This review highlights the importance of understanding the role of mitochondrial fission in health and metabolic diseases, and the potential of targeting mitochondrial fission as a therapeutic approach to protecting against these conditions.
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Affiliation(s)
- Tianzheng Yu
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
| | - Li Wang
- Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD 20817, USA
- Armed Forces Radiobiology Research Institute, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
- Department of Pathology, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
| | - Lei Zhang
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
| | - Patricia A Deuster
- Consortium for Health and Military Performance, Department of Military and Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD 20814, USA
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Zhang J, Jin L, Hua X, Wang M, Wang J, Xu X, Liu H, Qiu H, Sun H, Dong T, Yang D, Zhang X, Wang Y, Huang Z. SARM1 promotes the neuroinflammation and demyelination through IGFBP2/NF-κB pathway in experimental autoimmune encephalomyelitis mice. Acta Physiol (Oxf) 2023; 238:e13974. [PMID: 37186158 DOI: 10.1111/apha.13974] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 03/07/2023] [Accepted: 03/20/2023] [Indexed: 05/17/2023]
Abstract
AIM Multiple sclerosis (MS) is an autoimmune disease, and its typical characteristics are neuroinflammation and the demyelination of neurons in the central nervous system (CNS). Sterile alpha and TIR motif containing 1 (SARM1) is an essential factor mediating axonal degeneration and SARM1 deletion reduces the neuroinflammation in spinal cord injury. This study aimed to explore the roles of SARM1 and its underlying mechanisms in MS. METHODS Experimental autoimmune encephalomyelitis (EAE, a model of MS) model was established. Immunostaining, western blot, electron microscope, and HE staining were used to examine the pathological manifestations such as inflammation, demyelination, and neuronal death in SARM1f/f EAE mice and SARM1Nestin -CKO EAE mice. In addition, RNA-seq, real-time PCR and double-immunostaining were used to examine the underlying mechanism of SARM1 in EAE mice. RESULTS SARM1 was upregulated in neurons of the spinal cords of EAE mice. SARM1 knockout in CNS ameliorated EAE with less neuroinflammation, demyelination, and dead neurons. Mechanically, SARM1 knockout resulted in the reduction of insulin-like growth factor (IGF)-binding protein 2 (IGFBP2) in neurons of EAE mice, which might inhibit the neuroinflammation through inhibiting NF-κB signaling. Finally, activation of NF-κB partially aggravated the neuroinflammation and demyelination deficits of SARM1Nestin -CKO EAE mice. CONCLUSIONS These results identified the unknown role of SARM1 in the promotion of neuroinflammation and demyelination and revealed a novel drug target pathway of SARM1/IGFBP2/NF-κB for MS.
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Affiliation(s)
- Jingjing Zhang
- College of Pharmacy, Hangzhou Normal University, Zhejiang, China
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Lingting Jin
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Xin Hua
- College of Pharmacy, Hangzhou Normal University, Zhejiang, China
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Mianxian Wang
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Jiaojiao Wang
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Xingxing Xu
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Huitao Liu
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Haoyu Qiu
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Huankun Sun
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Tianyingying Dong
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Danlu Yang
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
| | - Xu Zhang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Ying Wang
- Clinical Research Center, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Zhejiang, China
| | - Zhihui Huang
- College of Pharmacy, Hangzhou Normal University, Zhejiang, China
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang, China
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14
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Chen X, Cheng L, Pan Y, Chen P, Luo Y, Li S, Zou W, Wang K. Different immunological mechanisms between AQP4 antibody-positive and MOG antibody-positive optic neuritis based on RNA sequencing analysis of whole blood. Front Immunol 2023; 14:1095966. [PMID: 36969199 PMCID: PMC10036921 DOI: 10.3389/fimmu.2023.1095966] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 02/27/2023] [Indexed: 03/12/2023] Open
Abstract
Purpose To compare the different immunological mechanisms between aquaporin 4 antibody-associated optic neuritis (AQP4-ON) and myelin oligodendrocyte glycoprotein antibody-associated optic neuritis (MOG-ON) based on RNA sequencing (RNA-seq) of whole blood. Methods Whole blood was collected from seven healthy volunteers, 6 patients with AQP4-ON and 8 patients with MOG-ON, and used for RNA-seq analysis. An examination of immune cell infiltration was performed using the CIBERSORTx algorithm to identify infiltrated immune cells. Results RNA-seq analysis showed that the inflammatory signaling was mainly activated by TLR2, TLR5, TLR8 and TLR10 in AQP4-ON patients, while which was mainly activated by TLR1, TLR2, TLR4, TLR5 and TLR8 in MOG-ON patients. Biological function identification of differentially expressed genes (DEGs) based on Gene Ontology (GO) term and Kyoto encyclopedia of genes and genomes (KEGG) pathway enrichment analysis, as well as Disease Ontology (DO) analysis, showed that the inflammation in AQP4-ON was likely mediated by damage-associated molecular pattern (DAMP), while which in MOG-ON was likely mediated by pathogen-associated molecular pattern (PAMP). Analysis of immune cell infiltration showed that the proportion of immune cell infiltration was related to patients' vision. The infiltration ratios of monocytes (rs=0.69, P=0.006) and M0 macrophages (rs=0.66, P=0.01) were positively correlated with the BCVA (LogMAR), and the infiltration ratio of neutrophils was negatively correlated with the BCVA (LogMAR) (rs=0.65, P=0.01). Conclusion This study reveals different immunological mechanisms between AQP4-ON and MOG-ON based on transcriptomics analysis of patients' whole blood, which may expand the current knowledge regarding optic neuritis.
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Affiliation(s)
- Xuelian Chen
- Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu, China
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
| | - Libo Cheng
- Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu, China
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Ying Pan
- Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu, China
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Peng Chen
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yidan Luo
- Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu, China
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
| | - Shiyi Li
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Wenjun Zou
- Department of Ophthalmology, Affiliated Wuxi Clinical College of Nantong University, Wuxi, Jiangsu, China
- Department of Ophthalmology, Jiangnan University Medical Center (JUMC), Wuxi, Jiangsu, China
- Department of Ophthalmology, Wuxi No.2 People’s Hospital, Wuxi, Jiangsu, China
- Department of Ophthalmology, The Affiliated Wuxi No.2 People’s Hospital of Nanjing Medical University, Wuxi, Jiangsu, China
| | - Ke Wang
- National Health Commission (NHC) Key Laboratory of Nuclear Medicine, Jiangsu Key Laboratory of Molecular Nuclear Medicine, Jiangsu Institute of Nuclear Medicine, Wuxi, Jiangsu, China
- Department of Radiopharmaceuticals, School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, China
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15
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Che J, Li D, Hong W, Wang L, Guo Y, Wu M, Lu J, Tong L, Weng Q, Wang J, Dong X. Discovery of new macrophage M2 polarization modulators as multiple sclerosis treatment agents that enable the inflammation microenvironment remodeling. Eur J Med Chem 2022; 243:114732. [DOI: 10.1016/j.ejmech.2022.114732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/18/2022] [Accepted: 08/26/2022] [Indexed: 11/04/2022]
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Oo TT, Pratchayasakul W, Chattipakorn N, Chattipakorn SC. Emerging roles of toll-like receptor 4 in chemotherapy-induced neurotoxicity. Neurotoxicology 2022; 93:112-127. [PMID: 36152729 DOI: 10.1016/j.neuro.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/12/2022] [Accepted: 09/19/2022] [Indexed: 10/14/2022]
Abstract
Chemotherapy-induced neurotoxicity is one of the most prevalent side effects in cancer patients and survivors. Cognitive decline and peripheral neuropathy are the most common chemotherapy-induced neurotoxic symptoms. These symptoms lead not only to the limiting of the dose of chemotherapy given to cancer patients, but also have an impact on the quality of life of cancer survivors. Although the exact mechanisms involved in chemotherapy-induced neurotoxicity are still unclear, neuroinflammation is widely regarded as being one of the major causes involved in chemotherapy-induced neurotoxicity. It is known that Toll-like receptor 4 (TLR4) plays a critical role in the inflammatory process, and it has been recently reported that it is associated with chemotherapy-induced neurotoxicity. In this review, we summarize and discuss all available evidence regarding the activation of the TLR4 signaling pathway in various models of chemotherapy-induced neurotoxicity. This review also emphasizes the evidence pertinent to TLR4 inhibition on chemotherapy-induced neurotoxicity in rodent studies. Understanding the role of the TLR4 signaling pathway behind chemotherapy-induced neurotoxicity is crucial for improving treatments and ensuring the long-term survival of cancer patients.
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Affiliation(s)
- Thura Tun Oo
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology, Chiang Mai University, Chiang Mai, Thailand
| | - Wasana Pratchayasakul
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology, Chiang Mai University, Chiang Mai, Thailand
| | - Nipon Chattipakorn
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology, Chiang Mai University, Chiang Mai, Thailand
| | - Siriporn C Chattipakorn
- Neurophysiology Unit, Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand; Center of Excellence in Cardiac Electrophysiology, Chiang Mai University, Chiang Mai, Thailand; Department of Oral Biology and Diagnostic Sciences, Faculty of Dentistry Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
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Curcumin Regulates Anti-Inflammatory Responses by AXL/JAK2/STAT3 Signaling Pathway in experimental autoimmune encephalomyelitis. Neurosci Lett 2022; 787:136821. [PMID: 35908626 DOI: 10.1016/j.neulet.2022.136821] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 07/09/2022] [Accepted: 07/26/2022] [Indexed: 11/24/2022]
Abstract
Microglia-mediated neuroinflammation plays an important role in multiple sclerosis (MS). This study explored whether curcumin has a protective effect on experimental autoimmune encephalomyelitis (EAE), and the specific mechanism was investigated. We found that curcumin attenuates the severity of EAE mice. It inhibits the activation of microglia in the spinal cord of EAE mice and LPS-stimulated BV-2 cells. The findings clarify that curcumin may inhibit the inflammatory response mediated by microglia by inactivating the AXL/JAK2/STAT3 signaling pathway, which laid a theoretical foundation for the clinical management of MS.
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18
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Adugna DG, Aragie H, Kibret AA, Belay DG. Therapeutic Application of Stem Cells in the Repair of Traumatic Brain Injury. Stem Cells Cloning 2022; 15:53-61. [PMID: 35859889 PMCID: PMC9289752 DOI: 10.2147/sccaa.s369577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/10/2022] [Indexed: 12/03/2022] Open
Abstract
Traumatic brain injury is the main cause of injury-related deaths and disabilities throughout the world, which is characterized by a disruption of the normal physiology of the brain following trauma. It can potentially cause severe complications such as physical, cognitive, and emotional impairment. In addition to understanding traumatic brain injury pathophysiology, this review explains the therapeutic potential of stem cells following brain injury in two pathways: response of endogenous neurogenic cells and transplantation of exogenous stem cell therapy. After traumatic brain injuries, clinical evidence indicated that endogenous neural progenitor cells might play an important role in regenerative medicine to treat brain injury. This is due to an increased neurogenic regeneration ability of these cells following brain injury. Besides, exogenous stem cell transplantation has also accelerated immature neuronal development and increased endogenous cellular proliferation in the damaged brain region. Therefore, a better understanding of the endogenous neural stem cell’s regenerative ability and the effect of exogenous stem cells on proliferation and differentiation ability may help researchers to understand how to increase functional recovery and tissue repair following injury.
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Affiliation(s)
- Dagnew Getnet Adugna
- Department of Human Anatomy, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Amhara Region, Ethiopia
| | - Hailu Aragie
- Department of Human Anatomy, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Amhara Region, Ethiopia
| | - Anteneh Ayelign Kibret
- Department of Human Anatomy, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Amhara Region, Ethiopia
| | - Daniel Gashaneh Belay
- Department of Human Anatomy, School of Medicine, College of Medicine and Health Science, University of Gondar, Gondar, Amhara Region, Ethiopia.,Department of Epidemiology, Institution of Public Health, College of Medicine and Health Science, University of Gondar, Gondar, Amhara Region, Ethiopia
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Lu Y, Chang P, Ding W, Bian J, Wang D, Wang X, Luo Q, Wu X, Zhu L. Pharmacological inhibition of mitochondrial division attenuates simulated high-altitude exposure-induced cerebral edema in mice: Involvement of inhibition of the NF-κB signaling pathway in glial cells. Eur J Pharmacol 2022; 929:175137. [DOI: 10.1016/j.ejphar.2022.175137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 06/27/2022] [Accepted: 06/30/2022] [Indexed: 11/26/2022]
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20
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Inhibiting Endocannabinoid Hydrolysis as Emerging Analgesic Strategy Targeting a Spectrum of Ion Channels Implicated in Migraine Pain. Int J Mol Sci 2022; 23:ijms23084407. [PMID: 35457225 PMCID: PMC9027089 DOI: 10.3390/ijms23084407] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/08/2022] [Accepted: 04/13/2022] [Indexed: 12/23/2022] Open
Abstract
Migraine is a disabling neurovascular disorder characterized by severe pain with still limited efficient treatments. Endocannabinoids, the endogenous painkillers, emerged, alternative to plant cannabis, as promising analgesics against migraine pain. In this thematic review, we discuss how inhibition of the main endocannabinoid-degrading enzymes, monoacylglycerol lipase (MAGL) and fatty acid amide hydrolase (FAAH), could raise the level of endocannabinoids (endoCBs) such as 2-AG and anandamide in order to alleviate migraine pain. We describe here: (i) migraine pain signaling pathways, which could serve as specific targets for antinociception; (ii) a divergent distribution of MAGL and FAAH activities in the key regions of the PNS and CNS implicated in migraine pain signaling; (iii) a complexity of anti-nociceptive effects of endoCBs mediated by cannabinoid receptors and through a direct modulation of ion channels in nociceptive neurons; and (iv) the spectrum of emerging potent MAGL and FAAH inhibitors which efficiently increase endoCBs levels. The specific distribution and homeostasis of endoCBs in the main regions of the nociceptive system and their generation ‘on demand’, along with recent availability of MAGL and FAAH inhibitors suggest new perspectives for endoCBs-mediated analgesia in migraine pain.
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21
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Guo S, Wang H, Yin Y. Microglia Polarization From M1 to M2 in Neurodegenerative Diseases. Front Aging Neurosci 2022; 14:815347. [PMID: 35250543 PMCID: PMC8888930 DOI: 10.3389/fnagi.2022.815347] [Citation(s) in RCA: 230] [Impact Index Per Article: 115.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/17/2022] [Indexed: 12/11/2022] Open
Abstract
Microglia-mediated neuroinflammation is a common feature of neurodegenerative diseases such as Alzheimer’s disease (AD), Parkinson’s disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS). Microglia can be categorized into two opposite types: classical (M1) or alternative (M2), though there’s a continuum of different intermediate phenotypes between M1 and M2, and microglia can transit from one phenotype to another. M1 microglia release inflammatory mediators and induce inflammation and neurotoxicity, while M2 microglia release anti-inflammatory mediators and induce anti-inflammatory and neuroprotectivity. Microglia-mediated neuroinflammation is considered as a double-edged sword, performing both harmful and helpful effects in neurodegenerative diseases. Previous studies showed that balancing microglia M1/M2 polarization had a promising therapeutic prospect in neurodegenerative diseases. We suggest that shifting microglia from M1 to M2 may be significant and we focus on the modulation of microglia polarization from M1 to M2, especially by important signal pathways, in neurodegenerative diseases.
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